Performance
Valmet works close to our customers through 100 service centers. Our experts are also available remotely with the help of industrial internet technologies.
We deliver services to optimize the performance of your production process - to get the most out of the least. We offer a full range of production consumables to maximize production, minimize lifecycle costs and keep your production performance reliable. Consumable agreements are always tailored specifically for each production line.
Valmet’s process support and optimization services help maximize your process performance by utilizing our technology and automation expertise. You can achieve reduced energy and raw material costs, reduced process variability, optimized quality and production, and enhanced environmental performance.
Performance
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Field Report - Yankee rebuild improves tissue quality, a case study
Rebuilding a Yankee is a daunting decision, due to OSHA regulations for confined space entry and the significant cost of downtime. This mill was losing product due to poor tissue quality, and Valmet's service engineers assisted in the decision making process to rebuild the Yankee.
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Field Report - Roll grinding procedures
Successful roll grinding depends on many factors. The knowledge and experience of an operator, the condition of the roll grinding equipment, and continued preventive maintenance of equipment, all contribute to the ability to meet dimensional tolerances and surface finish requirements.
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Field Report - On-machine grinding increases machine speed and sheet quality, a case study
At a fine paper mill, despite every effort, sheet breaks had averaged more than six a day for the last several months. Two of the four dryers were shut down and the two functioning dryers would need to be taken off-line soon if nothing could be done...
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Field Report - On-machine grinding
On-machine grinding is cost- and time-efficient compared to dryer cylinder replacement or off-machine grinding, finishing and renewing cylinders for 40-50 percent less total cost and in less than half the time.
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Field Report - Headbox apron shower troubleshooting, a case study
The key word in papermaking is uniformity, and the apron shower plays a primary role in maintaining this characteristic. Shower water volume, pressure and temperature are critical factors. The case study involves the three indicators of a thermal bow problem in the apron lip.
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Increase dewatering, reduce vacuum needs with Valmet Hard Coating Solid and Valmet Uhle Box Cover
The new coating and uhle box cover also improve runnability, moisture profiles and felt lifetime. The technology is unbeatable and several references prove it.
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Field Report - Care and handling of Uhle boxes
Reliable operation of a press section uhle box requires attention to care and handling, as well as routine maintenance. Blades and covers are susceptible to costly damage if improperly handled and maintained.
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Field Report - Screen cylinder troubleshooting
Once a screen cylinder's holes plug or its raised plating or coating is worn smooth, a host of operational problems can occur affecting runnability, capacity, pulp quality and cylinder life. There are three warning signs of excessive wear to monitor.
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Field Report - Common hydraulic valves, pressure reducing valves
Pressure reducing valves are used to create and hold a pressure setpoint in a downstream hydraulic branch. Valmet uses sandwich style valves because they are easy to fit in a stacked hydraulic valve block circuit.
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Field Report - Reel primary arm nip relief
Excessive bottom waste occurs during turn-ups where there is insufficient primary arm nip relief at the reel. To avoid this, primary arm nip force control should start before turn-up and continue smoothly as the building parent reel travels down along the reel drum to the secondary arms at the kickout rails.